Method for developing color reversal photographic materials

Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Positive

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430379, G03C 550, G03C 530

Patent

active

046752749

ABSTRACT:
A method for processing an imagewise exposed silver halide color reversal photographic material which comprises processing the color reversal photographic material with a black-and-white developer containing at least one compound represented by the following general formula (I-a) or (I-b): ##STR1## wherein M represents a hydrogen atom, an alkali metal, or an ammonium ion; R represents a hydrogen atom, an unsubstituted or substituted alkyl group, a hydroxy group, --SO.sub.3 M.sup.1, or --COOM.sup.1 ; R.sup.1 represents --SO.sub.3 M.sup.1 or --COOM.sup.1, wherein M.sup.1 represents a hydrogen atom, an alkali metal, or an ammonium ion; and n represents an integer of 1 to 6; and wherein n is 2 to 6, each of said Rs may be the same or different.

REFERENCES:
patent: 3212892 (1965-10-01), von Konig et al.
patent: 3623872 (1971-11-01), Berthold et al.
patent: 4371610 (1983-02-01), Toyoda et al.
patent: 4525449 (1985-06-01), Nakajima et al.
patent: 4554245 (1985-11-01), Hayashi et al.

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